Title
Learning-based automatic defect recognition with computed tomographic imaging
Abstract
The use of image-based automatic defect recognition (ADR) systems in a production line often requires strict processing-time specifications. On the other hand, the typical high-performance requirement of such system calls for the use of sophisticated, computationally-complex algorithms. Addressing the conflicting requirements of fast throughput and high detection performance is a significant challenge. In this paper we present a 3D learning-based ADR approach for industrial parts. The proposed method first extracts defect candidate regions using morphological closing and template matching. Then a local registration-based approach is utilized to produce accurate defect segmentation mask. Finally, 29 features including geometric features and texture features derived from grey level co-occurrence matrix are calculated for each candidate region, and a fast random forests classifier is used to classify the candidate regions as defect or defect-free. This approach was developed into a fully automated system for detecting casting defects in aluminum industrial parts depicted in 3D Computed Tomographic (CT) images. The system was tested on 31 images with 49 cavities and porosities defects, achieving a sensitivity of 94% with an average 3.5 false detections per part.
Year
DOI
Venue
2013
10.1109/ICIP.2013.6738569
ICIP
Keywords
Field
DocType
computationally-complex algorithms,template matching,industrial parts,morphological closing,adr,local registration-based approach,computerised tomography,image matching,computed tomographic imaging,production engineering computing,learning-based automatic defect recognition,geometric features,inspection,learning (artificial intelligence),3d learning-based adr approach,image segmentation,grey level cooccurrence matrix,production line,high-performance requirement,processing-time specifications,aluminum industrial parts,defect segmentation mask,3d computed tomographic images,casting,ct,texture features,casting defects,fast random forests classifier,object recognition,false detections,image registration,image texture,image-based automatic defect recognition systems,aluminum casting defects,fully automated system,learning artificial intelligence
Template matching,Computer vision,Closing (morphology),Pattern recognition,Segmentation,Image texture,Computer science,Image segmentation,Artificial intelligence,Random forest,Image registration,Cognitive neuroscience of visual object recognition
Conference
ISSN
Citations 
PageRank 
1522-4880
1
0.35
References 
Authors
5
4
Name
Order
Citations
PageRank
Fei Zhao191.89
Paulo R. S. Mendonça261050.38
Jie Yu310.35
Robert Kaucic418420.32